diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/SataControllerDxe/SataController.h')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/SataControllerDxe/SataController.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Pci/SataControllerDxe/SataController.h b/MdeModulePkg/Bus/Pci/SataControllerDxe/SataController.h index 436eff2dc6..7ffd3e218a 100644 --- a/MdeModulePkg/Bus/Pci/SataControllerDxe/SataController.h +++ b/MdeModulePkg/Bus/Pci/SataControllerDxe/SataController.h @@ -44,6 +44,7 @@ extern EFI_COMPONENT_NAME2_PROTOCOL gSataControllerComponentName2; #define R_AHCI_CAP 0x0
#define B_AHCI_CAP_NPS (BIT4 | BIT3 | BIT2 | BIT1 | BIT0) // Number of Ports
#define B_AHCI_CAP_SPM BIT17 // Supports Port Multiplier
+#define R_AHCI_PI 0xC
///
/// AHCI each channel can have up to 1 device
|